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Integrated Circuits (ICs)

TPS65262-1RHBT

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4.5V TO 18V INPUT, 3A/1A/1A TRIPLE SYNCHRONOUS STEP-DOWN CONVERTER WITH 350MA/150MA DUAL LDOS

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DocumentsTPS65262-1, 4.5- to 18-V Input Voltage, 3-A/1-A/1-A Output Current Triple Synchronous Step-Down Converter With Dual Adjustable 350-mA/150-mA LDOs datasheet (Rev. B)

Integrated Circuits (ICs)

TPS65262-1RHBT

Active

Texas Instruments

4.5V TO 18V INPUT, 3A/1A/1A TRIPLE SYNCHRONOUS STEP-DOWN CONVERTER WITH 350MA/150MA DUAL LDOS

Deep-Dive with AI

DocumentsTPS65262-1, 4.5- to 18-V Input Voltage, 3-A/1-A/1-A Output Current Triple Synchronous Step-Down Converter With Dual Adjustable 350-mA/150-mA LDOs datasheet (Rev. B)

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	TPS65262-1RHBT

Frequency - Switching	600 kHz
Mounting Type	Surface Mount
Number of Outputs	5
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	32-VFQFN Exposed Pad
Supplier Device Package	32-VQFN (5x5)
Topology	Linear (LDO) (2), Step-Down (Buck) Synchronous (3)
Voltage - Supply [Max]	18 V
Voltage - Supply [Min]	4.5 V
Voltage/Current - Output 1	3 A, 0.6 V
Voltage/Current - Output 2	0.6 V, 1 A
Voltage/Current - Output 3	0.6 V, 1 A
w/LED Driver	False
w/Sequencer	False
w/Supervisor	False

TPS65262-1 Series

4.5V to 18V Input, 3A/1A/1A Triple Synchronous Step-Down Converter with 350mA/150mA Dual LDOs

Part	Frequency - Switching	Supplier Device Package	Number of Outputs	Topology	Voltage/Current - Output 1	Package / Case	Mounting Type	Voltage/Current - Output 2	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Max]	Voltage - Supply [Min]	Voltage/Current - Output 3	Utilized IC / Part	Regulator Topology	Main Purpose	Supplied Contents	Contents	Voltage - Input [Max]	Voltage - Input [Min]	Outputs and Type	Outputs and Type	Board Type	Voltage - Output	Current - Output
Texas Instruments TPS65262-2RHBT	600 kHz	32-VQFN (5x5)	5	Linear (LDO) (2) Step-Down (Buck) Synchronous (3)	0.6 V 3 A	32-VFQFN Exposed Pad	Surface Mount	0.6 V 1 A	125 °C	-40 °C	18 V	4.5 V	0.6 V 1 A
Texas Instruments TPS65262-1RHBT	600 kHz	32-VQFN (5x5)	5	Linear (LDO) (2) Step-Down (Buck) Synchronous (3)	0.6 V 3 A	32-VFQFN Exposed Pad	Surface Mount	0.6 V 1 A	85 °C	-40 °C	18 V	4.5 V	0.6 V 1 A
Texas Instruments TPS65262RHBT	600 kHz	32-VQFN (5x5)	5	Linear (LDO) (2) Step-Down (Buck) Synchronous (3)	0.6 V 3 A	32-VFQFN Exposed Pad	Surface Mount	0.6 V 1 A	85 °C	-40 °C	18 V	4.5 V	0.6 V 1 A
Texas Instruments TPS65262EVM-619	600 kHz													TPS65262	Buck	DC/DC Step Down with LDO	Board(s)	Board(s)	18 V	4.5 V	5 5	Non-Isolated	Fully Populated	1.2 V 1.8 V 2.5 V 3.3 V 5 V	1 A 3 A 100 mA 200 mA
Texas Instruments TPS65262-2RHBR	600 kHz	32-VQFN (5x5)	5	Linear (LDO) (2) Step-Down (Buck) Synchronous (3)	0.6 V 3 A	32-VFQFN Exposed Pad	Surface Mount	0.6 V 1 A	125 °C	-40 °C	18 V	4.5 V	0.6 V 1 A
Texas Instruments TPS65262RHBR	600 kHz	32-VQFN (5x5)	5	Linear (LDO) (2) Step-Down (Buck) Synchronous (3)	0.6 V 3 A	32-VFQFN Exposed Pad	Surface Mount	0.6 V 1 A	85 °C	-40 °C	18 V	4.5 V	0.6 V 1 A
Texas Instruments TPS65262-1RHBR	600 kHz	32-VQFN (5x5)	5	Linear (LDO) (2) Step-Down (Buck) Synchronous (3)	0.6 V 3 A	32-VFQFN Exposed Pad	Surface Mount	0.6 V 1 A	85 °C	-40 °C	18 V	4.5 V	0.6 V 1 A

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 2.98
		10	$ 2.68
		25	$ 2.53
		100	$ 2.19
	Digi-Reel®	1	$ 2.98
		10	$ 2.68
		25	$ 2.53
		100	$ 2.19
	Tape & Reel (TR)	250	$ 2.08
		500	$ 1.98
Texas Instruments	SMALL T&R	1	$ 3.20
		100	$ 2.80
		250	$ 1.97
		1000	$ 1.58

Description

General part information

TPS65262-1 Series

The TPS65262-1 is a monolithic, triple-synchronous step-down (buck) converter with 3-A/1-A/1-A output current. A wide 4.5- to 18-V input supply voltage range encompasses the most intermediate bus voltage operating off 5-V, 9-V, 12-V, or 15-V power bus. The converter, with constant frequency peak current mode, is designed to simplify its application while giving designers options to optimize the system according to targeted applications. The device operates at 600-kHz fixed switching frequency. The loop compensations for buck 2 and buck3 have been integrated for less external components. The 180° out-of-phase operation between buck1 and buck2, buck3 (buck2 and buck3 run in phase) minimizes the input filter requirements. At light load, the device automatically operates in pulse skipping mode (PSM) which provides high efficiency by reducing switching losses.

Two low dropout voltage linear regulators (LDOs) are built in TPS65262-1 with input voltage range of 1.3 to 5.5 V, continuous output current 350/150 mA, independent enable, and adjustable output voltage.

The TPS65262-1 features an automatic power sequence with driving MODE pin to high and configuring EN1, EN2, and EN3 pins.

Documents

Technical documentation and resources

TPS65262-1, 4.5- to 18-V Input Voltage, 3-A/1-A/1-A Output Current Triple Synchronous Step-Down Converter With Dual Adjustable 350-mA/150-mA LDOs datasheet (Rev. B)

Data sheet